想知道，iperf3 for UDP 中的位元率統計資料只考慮每單位時間發送的有效負載資料還是有效負載資料+每單位時間發送的標頭長度？
Sample Stats:
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Server listening on 5201
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Accepted connection from 10.0.1.1, port 39099
[ 5] local 10.0.1.2 port 5201 connected to 10.0.1.1 port 50000
[ ID] Interval Transfer Bitrate Jitter Lost/Total Datagrams
0.00-0.10 sec 1.44 KBytes 118 Kbits/sec 98197536003.664 ms 0/1 (0%)
0.10-0.20 sec 7.88 MBytes 662 Mbits/sec 0.014 ms 0/5612 (0%)
0.20-0.30 sec 11.3 MBytes 949 Mbits/sec 0.012 ms 0/8063 (0%)
0.30-0.40 sec 11.3 MBytes 949 Mbits/sec 0.025 ms 0/8062 (0%)
0.40-0.50 sec 11.3 MBytes 950 Mbits/sec 0.026 ms 0/8060 (0%)